Additional Product Features:If one bulb goes out the rest will stay lit
Bulbs stay cool to the touch
Energy efficient bulbs will last tens of thousands of hours
Super bright bulbs guaranteed to light
Each light has a clip on their base so you can easily attach the lights to your tree or other desired surfaces
For indoor use only
Cannot connect multiple sets together
Comes with spare replacement bulbs and screw for battery pack
Black battery pack is located at the end of the string and measures 2.75 inches long x 1.75 inches wide x .5 inches deep
Requires 3 "AA" batteries - not included
Standard batteries last approximately 72 hours before they need to be replaced - bulbs themselves will last tens of thousands of hours
Convenient on/off switch on side of battery pack
Material(s): durable plastic light covers and bulbs/wire